The following is not included in the common laboratory tests for pregnant women

Raj. CHO -2024

Obstetrics and Midwifery Nursing

Easy

Appeared in: Raj. CHO -2024

Explanation

Liver Function Tests (LFTs) are not performed routinely on all pregnant women as a screening tool.
LFTs are considered diagnostic tests, ordered specifically when there is a clinical suspicion of liver-related complications.
Conditions that warrant an LFT include pre-eclampsia, HELLP syndrome, or intrahepatic cholestasis of pregnancy.
Physiological changes during pregnancy, such as a rise in alkaline phosphatase from the placenta, can complicate the interpretation of routine LFTs without a specific clinical context.

Option A: VDRL (for syphilis) and HIV tests are standard and mandatory components of routine antenatal screening in India.
Option B: Blood grouping and Rh typing are fundamental tests performed at the first antenatal visit.
Option D: Screening for gestational diabetes mellitus (GDM) with a blood sugar test like RBS is a standard part of antenatal care.

Visual 1: Table - A clear table distinguishing between 'Routine Antenatal Screening Tests' and 'Indicated/Diagnostic Tests' to visually separate the categories.
Visual 2: Flowchart - A timeline showing the schedule of essential tests during the first, second, and third trimesters of pregnancy.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Routine laboratory investigations during antenatal care as background academic context rather than a clinical decision trigger.
A nurse's role includes educating the pregnant woman and her family about the importance and schedule of these routine tests to ensure compliance and early detection of potential issues.
It is crucial for the nurse to correctly identify which tests are routine and which require a specific doctor's order based on clinical findings, ensuring appropriate care pathways are followed.
Accurate documentation of all lab results in the Mother and Child Protection (MCP) card is a key nursing responsibility for continuity of care.

How to Approach the Question

First, identify the negative keyword in the question: 'not included'. This means you are looking for the option that is an exception.
Next, recall the standard panel of laboratory tests that are routinely recommended for all pregnant women during antenatal care.
Consider each option: VDRL/HIV, Blood Group/Rh, and RBS are all standard screening tests for infection, blood compatibility, and gestational diabetes, respectively.
Evaluate the remaining option, Liver Function Test (LFT). Recall that LFTs are typically ordered for specific conditions like pre-eclampsia or liver disorders, not as a universal screening for every pregnant woman.
Conclude that LFT is the test that is not part of the common or routine panel, making it the correct answer.

Concept Tested & Keywords

Concept Tested: Routine laboratory investigations during antenatal care.
Stem keywords: pregnant women, common laboratory tests
Lead-in keywords: not included
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Negative lead-in flag: The question asks to identify the test that is NOT part of the routine panel.

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